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Recovery Manager for AD Disaster Recovery Edition 10.3 - User Guide

Overview Getting started
Permissions required to use Recovery Manager for Active Directory Recovery Manager Console Getting and using help Configuring Windows Firewall Using Computer Collections Cloud Storage Secure Storage Server Hybrid Recovery with On Demand Recovery Managing Recovery Manager for Active Directory configuration Licensing
Backing up data
Permissions required for the Backup operation Managing Backup Agent Using a least-privileged user account to back up data Using Managed Service Accounts Active Directory backups vs Windows System State backups Creating BMR and Active Directory backups Using the Backup Wizard Retrying backup creation Enabling backup encryption Backing up AD LDS (ADAM) Backing up cross-domain group membership Backing up distributed file system (DFS) data Backup scheduling Setting performance options Setting advanced backup options Using Forest Recovery Agent Unpacking backups Using e-mail notification Viewing backup creation results
Restoring data
Getting started with Active Directory recovery Managing deleted or recycled objects Restoring backed up Active Directory components Integration with Change Auditor for Active Directory Using granular online restore Restoring AD LDS (ADAM) Selectively restoring Active Directory object attributes Restoring objects in an application directory partition Restoring object quotas Restoring cross-domain group membership Performing a restore without having administrator privileges Reports about objects and operations Using complete offline restore Offline restore implications Restoring SYSVOL authoritatively Performing a granular restore of SYSVOL Recovering Group Policy Restoring data from third-party backups Using the Extract Wizard Restoring passwords and SID history
Full Replication Consolidating backup registration data Monitoring Recovery Manager for Active Directory Recovering an Active Directory forest
Forest recovery overview Deploying Recovery Manager for Active Directory Forest Edition (Disaster Recovery Edition) Permissions required to use Forest Recovery Console Forest Recovery Console Managing a recovery project Recovery methods Phased recovery Managing Forest Recovery Agent Rebooting domain controllers manually Resetting DSRM Administrator Password Purging Kerberos Tickets Managing the Global Catalog servers Managing FSMO roles Manage DNS Client Settings Configuring Windows Firewall Developing a custom forest recovery plan Backing up domain controllers Assigning a preferred DNS server during recovery Handling DNS servers during recovery Forest recovery approaches Deciding which backups to use Running custom scripts while recovering a forest Overview of steps to recover a forest Viewing forest recovery progress Viewing recovery plan Viewing a report about forest recovery or verify settings operation Handling failed domain controllers Adding a domain controller to a running recovery operation Selectively recovering domains in a forest Recovering SYSVOL Deleting domains during recovery Resuming an interrupted forest recovery Recovering read-only domain controllers (RODCs) Checking forest health Collecting diagnostic data for technical support
Restore Active Directory on Clean OS method Bare metal forest recovery Using Management Shell Creating virtual test environments Appendices
Frequently asked questions Best practices for using Computer Collections Technical characteristics Best practices for creating backups Best practices for creating backups for forest recovery Best practices for recovering a forest Descriptions of recovery or verification steps Ports Used by Recovery Manager for Active Directory Forest Edition (Disaster Recovery Edition) Backup Wizard Online Restore Wizard Online Restore Wizard for AD LDS (ADAM) Group Policy Restore Wizard Repair Wizard Extract Wizard Events generated by Recovery Manager for Active Directory

Storing backups for forest recovery

The following diagram shows the recommended method for storing the backups you plan to use for forest recovery operations:

Figure: Backups for Forest Recovery

If you intend to use RMAD to recover the entire Active Directory® forest or specific domains in the forest, it is recommended that you store each backup file on the domain controller being backed up. This will considerably decrease the network utilization during backup operations and speed up the recovery process. On top of that, storing backup files on target domain controllers simplifies the permissions required to access those files.

Bare Metal Recovery backups

  • For BMR backups, the best practice in an enterprise environment is to deploy a dedicated backup server performing the role of an SMB repository with enough memory and CPU to cope with the amount of backup data. You need to specify custom access credentials for the share to access the backup data even when Active Directory® is unavailable.

  • You should store backups in the repository that is located in the same Active Directory® site.

  • For Windows Server® 2008 R2, BMR backups that are stored on the same Forest Recovery Console host are not supported.

 

Best practices for creating backups for forest recovery

 

How many instances of the Recovery Manager Console to deploy?

To recover your Active Directory® forest with the Forest Recovery Console, you can only use backups created with the Recovery Manager Console. In simple environments, it is advisable to have only one Recovery Manager Console deployed. However, this may not be possible in large distributed environments that spread across different physical locations connected by slow links. In this case, you can deploy several instances of the Recovery Manager Console in each main physical location to back up domain controllers there.

You can also deploy several instances of the Recovery Manager Console if you want to:

  • Delegate the right to back up individual Active Directory® objects and perform online restores to other administrators in your environment, without delegating the right to run forest recovery operations.

  • Back up and restore individual Active Directory® objects using backup and restore strategy and schedule specific to those objects.

 

How many domain controllers to back up?

This depends on the forest recovery approach you choose for your environment. For more information, see Forest recovery approaches.

The decision on how many domain controllers to back up (and, therefore, which method to use for forest recovery) depends on the factors like

  • The overall number of domain controllers in Active Directory®

  • The size of Active Directory® database

With a large number (50+) of domain controllers in the domain and significant size (over 1 GB) of the Active Directory® database, it may not be feasible to fully back up Active Directory® of all domain controllers in the domain due to storage limitations or time constraints. In this case, you can back up only some of the domain controllers.

A good practice is to back up at least two domain controllers from each domain in the forest. It is recommended to back up the domain controllers that are DNS servers and FSMO role holders.

 

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